28195280

素因数分解:

$2^4\times 5^1\times {\mathrm{352441}}^1$

素因数の和:352454

約数の個数: 20

約数和(自身を含む): 65554212

約数和(自身を除く): 37358932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352441, 704882, 1409764, 1762205, 2819528, 3524410, 5639056, 7048820, 14097640, 28195280]

約数ペア:

[(1, 28195280), (2, 14097640), (4, 7048820), (5, 5639056), (8, 3524410), (10, 2819528), (16, 1762205), (20, 1409764), (40, 704882), (80, 352441)]